3-Phenyl-4-[4-(2-phenyldiazenyl)anilino]-3-buten-2-one CAS 339017-29-7

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

3-Phenyl-4-[4-(2-phenyldiazenyl)anilino]-3-buten-2-one (CAS 339017-29-7), molecular formula C22H19N3O and molecular weight 341.41 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 3-Phenyl-4-[4-(2-phenyldiazenyl)anilino]-3-buten-2-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 341.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures 3-Phenyl-4-[4-(2-phenyldiazenyl)anilino]-3-buten-2-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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